Roles Activation Doesn't Require MFA — Sigma Rule

Rule metadata and linked tags

Author: Mark Morowczynski '@markmorow', Gloria Lee, '@gleeiamglo'. Source status: test; severity: high. Source dates: 2023-09-14 / not supplied.

{
  "product": "azure",
  "service": "pim"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 3c1fc85dc9841bfab731680e3003154cef3745910ddc31f00b288e3661528e3b

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: Roles Activation Doesn't Require MFA
id: 94a66f46-5b64-46ce-80b2-75dcbe627cc0
status: test
description: Identifies when a privilege role can be activated without performing mfa.
references:
    - https://learn.microsoft.com/en-us/entra/id-governance/privileged-identity-management/pim-how-to-configure-security-alerts#roles-dont-require-multi-factor-authentication-for-activation
author: Mark Morowczynski '@markmorow', Gloria Lee, '@gleeiamglo'
date: 2023-09-14
tags:
    - attack.initial-access
    - attack.stealth
    - attack.t1078
    - attack.persistence
    - attack.privilege-escalation
logsource:
    product: azure
    service: pim
detection:
    selection:
        riskEventType: 'noMfaOnRoleActivationAlertIncident'
    condition: selection
falsepositives:
    - Investigate if user is performing MFA at sign-in.
level: high

Original YAML and metadata in JSON

False positives

• Investigate if user is performing MFA at sign-in.

Source references

• https://learn.microsoft.com/en-us/entra/id-governance/privileged-identity-management/pim-how-to-configure-security-alerts#roles-dont-require-multi-factor-authentication-for-activation